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Zhiyong Wei
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Chicago, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Exhaust system implementing in situ calibration
Patent number
9,518,492
Issue date
Dec 13, 2016
Caterpillar Inc.
Mary Lou Kesse
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Pump overspeed protection method and machine using same
Patent number
8,738,241
Issue date
May 27, 2014
Caterpillar Inc.
Michael Evan Hague
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Exhaust system having exhaust system segment with improved catalyst...
Patent number
8,276,371
Issue date
Oct 2, 2012
Caterpillar Inc.
Zhiyong Wei
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
SCR emissions control system
Patent number
8,209,956
Issue date
Jul 3, 2012
Caterpillar Inc.
Zhiyong Wei
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Control of SCR system having a filtering device
Patent number
8,001,769
Issue date
Aug 23, 2011
Caterpillar Inc.
Zhiyong Wei
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Emission control system implementing reduction agent injection
Patent number
7,992,380
Issue date
Aug 9, 2011
Caterpillar Inc.
Zhiyong Wei
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Exhaust system implementing feedforward and feedback control
Patent number
7,832,200
Issue date
Nov 16, 2010
Caterpillar Inc.
Mary Lou Kesse
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
Pump Overspeed Protection Method And Machine Using Same
Publication number
20120310489
Publication date
Dec 6, 2012
Caterpillar, Inc.
Michael Evan Hague
B60 - VEHICLES IN GENERAL
Information
Patent Application
SCR REDUCTANT DEPOSIT REMOVAL
Publication number
20110030343
Publication date
Feb 10, 2011
Caterpillar Inc.
Matthew Thomas Kiser
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
HYDROCARBON SCR AFTERTREATMENT SYSTEM
Publication number
20100229539
Publication date
Sep 16, 2010
Caterpillar Inc.
JOHN P. TIMMONS
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
CATALYSTS, SYSTEMS, AND METHODS FOR REDUCING NOx IN AN EXHAUST GAS
Publication number
20100101221
Publication date
Apr 29, 2010
Caterpillar Inc.
Sylvain Joseph Charbonnel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Exhaust system having exhaust system segment with improved catalyst...
Publication number
20090301065
Publication date
Dec 10, 2009
Caterpillar Inc.
Zhiyong Wei
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Exhaust system implementing in situ calibration
Publication number
20090266059
Publication date
Oct 29, 2009
Caterpillar Inc.
Mary Lou Kesse
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Exhaust system implementing feedforward and feedback control
Publication number
20090266058
Publication date
Oct 29, 2009
Caterpillar Inc.
Mary Lou Kesse
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
EMISSION CONTROL SYSTEM IMPLEMENTING REDUCTION AGENT INJECTION
Publication number
20090049827
Publication date
Feb 26, 2009
Zhiyong WEI
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Control of SCR system having a filtering device
Publication number
20090049828
Publication date
Feb 26, 2009
Caterpillar Inc.
Zhiyong Wei
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SCR emissions control system
Publication number
20090031710
Publication date
Feb 5, 2009
Caterpillar Inc.
Zhiyong Wei
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Exhaust system utilizing a low-temperature oxidation catalyst
Publication number
20080295499
Publication date
Dec 4, 2008
James Joshua Driscoll
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES